EUMETSAT's primary objective is to establish, maintain and exploit European systems of operational meteorologicalsatellites. EUMETSAT is responsible for the launch and operation of the satellites and for delivering satellite data to end-users as well as contributing to the operational monitoring of climate and the detection of global climate changes.

The activities of EUMETSAT contribute to a global meteorological satellite observing system coordinated with other space-faring nations.

Satellite observations are an essential input to numerical weather prediction systems and also assist the human forecaster in the diagnosis of potentially hazardous weather developments. Of growing importance is the capacity of weather satellites to gather long-term measurements from space in support of climate change studies.

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While geostationary satellites provide a continuous view of the earth disc from a stationary position in space, the instruments on polar-orbiting satellites, flying at a much lower altitude, provide more precise details about atmospheric temperature and moisture profiles, although with less frequent global coverage.

EUMETSAT Polar System (EPS) Metop mission consists of three polar orbiting Metop satellites, to be flown successively for more than 14 years. The first, Metop-A, was launched by a RussianSoyuz-2.1a rocket from Baikonur on October 19, 2006, at 22:28 Baikonur time (16:28 UTC). Metop-A was initially controlled by ESOC for the LEOP phase immediately following launch, with control handed over to EUMETSAT 72 hours after lift-off. EUMETSAT's first commands to the satellite were sent at 14:04 UTC on October 22, 2006.

The second EPS satellite, Metop-B, was launched from Baikonur on 17 September 2012,[2] with the third, Metop-C, scheduled for launch in 2017.

Positioned at approximately 817 km above the Earth, special instruments on board Metop-A can deliver far more precise details about atmospheric temperature and moisture profiles than a geostationary satellite.

The satellites also ensure that the more remote regions of the globe, particularly in Northern Europe as well as the oceans in the Southern hemisphere, are fully covered.

The EPS programme is also the European half of a joint program with NOAA, called the International Joint Polar System. NOAA has operated a continuous series of low earth orbiting meteorological satellite since April 1960. Many of the instruments on Metop are also operated on NOAA/POES satellites, providing similar data types across the IJPS.

Altimetric data from Jason-2 have also helped create detailed decade-long global observations and analyses of the El Niño and La Niña phenomena, opening the way to new discoveries about ocean circulation and its effects on climate, and providing new insights into ocean tides, turbulent ocean eddies and marine gravity.

The next step is the Jason-3 Programme, which has been approved. It will ensure continuation of the series of measurements made by the Jason-2 satellite, and its predecessors, in support of meteorology, operational oceanography and, in particular, the monitoring of the sea-level trend, a key indicator of climate change.